µ Specific growth rate [h-1]
OUR Oxygen uptake rate [mmol/(L·h)]
qx Specific consumption or production of metabolite x [nmol/(mg·h)]
TCA Cycle of tricarboxylic acids -
td Duplication time [h]
VCD or XV Viable cell concentration [106cell/mL]
YGlu/X Yield of glucose with respect to biomass [(mmol/L)/(106cell/mL)]
YLac/X Yield of lactic with respect to biomass [(mmol/L)/(106cell/mL]
qP Specific productivity [µg/(106cell·h)]
VP Volumetric productivity [(µg/L)/h]
\(\mathbf{[Product]}_{\mathbf{\text{final}}}\) Final product concentration [µg/L]
ICV Integral of viable cell concentration [106cell/mL·h]
ttotal Total process time before the viability starts to decay [h]
mAb Monoclonal antibody